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Finding the Fourth Proportional to 83,323.40, 124,984.49 and 33,402.77

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Solution

The fourth proportional to 83,323.40, 124,984.49 and 33,402.77 is: 50,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,323.40 : 124,984.49 = 33,402.77 : x
  2. Step 2: Convert to fraction form
    83,323.40/124,984.49 = 33,402.77/x
  3. Step 3: Cross multiply
    83,323.40x = 124,984.49 × 33,402.77
  4. Step 4: Simplify right side
    83,323.40x = 4,174,827,381.10
  5. Step 5: Solve for x
    x = 4,174,827,381.10/83,323.40
  6. Step 6: Final answer
    x = 50,103.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.